Criteo is described as 'has grown to be a global performance marketing technology company that enables e-commerce companies to leverage large volumes of data to efficiently and effectively engage and convert their customers' and is an website in the Business & Commerce category. There are more than 10 alternatives to Criteo, not only websites but also apps for a variety of platforms, including Mac, Windows, SaaS and Google Search Console. The best alternative is ANTS Inbox Retargeting. It's not free, so if you're looking for a free alternative, you could try DoubleClick for Publishers or AdLib DSP. Other great sites and apps similar to Criteo are Primis (Paid), RTB House (Paid), Rocketfuel (Paid) and AdRoll (Paid).